Fix streaming Content-Length test
 First what you expect, second what you got (thank you @patriciomacadden)
Mention use of `:public_folder` in warning message
Snake-Case  ShowExceptions file
Merge pull request #796 from vipulnsward/snake_case

Snake-Case  ShowExceptions file
allow jruby-head to fail
Fix ruby and shell snippets in README.fr.md
Fix ruby or shell syntax in README.md
Merge pull request #798 from michelc/master

Updating snippets.
Improve the Readme's Beginning in PT-BR :crossed_flags:
Merge pull request #799 from scudelletti/ds-improve-brazilian-readme-file

Improving the PT-BR Readme's Beginning
Merge pull request #789 from vipulnsward/change_warning_message

Mention use of `:public_folder` in warning message
Merge pull request #788 from somu/fix-streaming-content-length-test

Fix streaming Content-Length test
v1.4.4
fix language is change log
another typo fix